As night temperatures in Phoenix fall into the thirties, it is important to protect young trees from such cold weather. Temperatures below 32 degrees for a prolonged time or over several nights can freeze tree buds/blossoms, fruit, leaves, and twigs. While the trees in our Shade Tree Program are desert-adapted and can, therefore, typically withstand freezing temperatures, young saplings can be vulnerable to the cold weather especially if they haven’t gone into winter dormancy and are, therefore, still actively growing. Below are things you can do to protect your trees from frost:
If your tree is damaged or you have other questions, feel free to post them on our ask the arborist forum here.
http://vpaaz.org/STForum (ask the arborist forum)
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